OLD | NEW |
1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 254 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
265 FrameElement::NOT_SYNCED); | 265 FrameElement::NOT_SYNCED); |
266 } | 266 } |
267 } else { | 267 } else { |
268 // The element is already determined. | 268 // The element is already determined. |
269 entry_frame_->elements_[i] = *elements[i]; | 269 entry_frame_->elements_[i] = *elements[i]; |
270 } | 270 } |
271 } | 271 } |
272 | 272 |
273 // Set the copied flags in the frame to be exact. This assumes that | 273 // Set the copied flags in the frame to be exact. This assumes that |
274 // the backing store of copies is always lower in the frame. | 274 // the backing store of copies is always lower in the frame. |
275 // Set the register counts and indices. | 275 // Set the register locations to their index in the frame. |
276 for (int i = 0; i < length; i++) { | 276 for (int i = 0; i < length; i++) { |
277 FrameElement current = entry_frame_->elements_[i]; | 277 FrameElement current = entry_frame_->elements_[i]; |
278 entry_frame_->elements_[i].clear_copied(); | 278 entry_frame_->elements_[i].clear_copied(); |
279 if (current.is_copy()) { | 279 if (current.is_copy()) { |
280 entry_frame_->elements_[current.index()].set_copied(); | 280 entry_frame_->elements_[current.index()].set_copied(); |
281 } else if (current.is_register()) { | 281 } else if (current.is_register()) { |
282 entry_frame_->frame_registers_.Use(current.reg()); | |
283 entry_frame_->register_locations_[current.reg().code()] = i; | 282 entry_frame_->register_locations_[current.reg().code()] = i; |
284 } | 283 } |
285 } | 284 } |
286 | 285 |
287 // Fill in the other fields of the entry frame. | 286 // Fill in the other fields of the entry frame. |
288 entry_frame_->local_count_ = initial_frame->local_count_; | 287 entry_frame_->local_count_ = initial_frame->local_count_; |
289 entry_frame_->frame_pointer_ = initial_frame->frame_pointer_; | 288 entry_frame_->frame_pointer_ = initial_frame->frame_pointer_; |
290 | 289 |
291 // The stack pointer is at the highest synced element or the base of | 290 // The stack pointer is at the highest synced element or the base of |
292 // the expression stack. | 291 // the expression stack. |
(...skipping 349 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
642 temp.CopyTo(this); | 641 temp.CopyTo(this); |
643 temp.Reset(); // So the destructor does not deallocate virtual frames. | 642 temp.Reset(); // So the destructor does not deallocate virtual frames. |
644 | 643 |
645 #ifdef DEBUG | 644 #ifdef DEBUG |
646 is_shadowing_ = false; | 645 is_shadowing_ = false; |
647 #endif | 646 #endif |
648 } | 647 } |
649 | 648 |
650 | 649 |
651 } } // namespace v8::internal | 650 } } // namespace v8::internal |
OLD | NEW |